21737007

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{317}}^1\times {\mathrm{401}}^1$

素因数の和:743

約数の個数: 24

約数和(自身を含む): 33237360

約数和(自身を除く): 11500353

約数列:

[1, 3, 9, 19, 57, 171, 317, 401, 951, 1203, 2853, 3609, 6023, 7619, 18069, 22857, 54207, 68571, 127117, 381351, 1144053, 2415223, 7245669, 21737007]

約数ペア:

[(1, 21737007), (3, 7245669), (9, 2415223), (19, 1144053), (57, 381351), (171, 127117), (317, 68571), (401, 54207), (951, 22857), (1203, 18069), (2853, 7619), (3609, 6023)]